The Collective is on the move, determined to recover its agent Tommy Goff who is being held captive by the Revolution, but one Collective agent has more ambitious plans--to kill team leader Eldrick Otus and destroy the Revolution completely.

"A strange telegram lures fourteen-year-old Amy Cahill and her younger brother, Dan, deep into Russia and away from the only trustworthy adult they know. Signed with the initials NRR, the telegram launches a race to uncover a treasure stolen by the Nazis and the truth behind the murder of the last Russian royal family. All too soon, the treasure hunt starts to smell like a Lucian trap. But the bait might just be irresistible--what will Amy and Dan...

With the leadership of the Revolution destroyed, Omar and his friends are on the run from the Collective when another vision leads them to Fiona Skylark, who has a piece of the Fragment embedded in her stomach--but the biggest shock for Omar is yet to come.

Omar, Dylan, Amy and Joey, the first four members of the Revolution team, are searching for the next fragment of Tony Hawk's powerful 900 skateboard in Minneapolis, and their search leads them to a teen who is tuned into the Artifact--but the evil Collective once again stands in their way.

In Summit County, Colorado, fourteen-year-old Amy Kestrel is known as a daring snowboarder--but when she and her best friend Jimmy run afoul of the operatives of the Collective they need the help of The Revolution to save themselves and their favorite mountain.

Omar is still troubled by his vision of the future, but when another vision sends the Revolution to a forgotten pyramid in Egypt to recover a new Fragment, and two of the teens are trapped inside the pyramid, they must all put aside the suspicions and conflicts of the past few months and work as a team if any of them are going to survive.

Fourteen-year-old Dylan Crow, known as Slider, prefers skateboarding around New York to going to school--but when he gets mixed up in the search for the Artifact he needs the help of The Revolution to save himself, his foster family, and his friend Juliet.

"Banana Fox's late fees have landed him in library jail! And when a familiar foe is found around town and a giant book-eating robot is unleashed, it looks like Flashlight and William need to step in to save the day. The junior detectives put their heads together, but when their investigation runs cold, an unlikely hero emerges and proves his own sleuthing skills! But without Banana Fox's help, can the trio put Sour Grapes Jr. behind bars for good?"--...